At first glance, it seems like a good estimate; big numbers make bigger number. But, this is multiplication, which means big numbers will make an extraordinarily big number, in proportion to the numbers themselves. If you round 31 3/4 up to 32, you can multiply that by 50. To make the estimate easier, multiply 50 by 2, 50 x 2 = 100 Take the zeros off 50 and 30 to make this a bit simpler, and multiply 5 by 3, 5 x 3 = 15 Add each of the zeros you took off to the 15 to make 1500 (1 zero was taken off 50, and 1 off of 30), And then add 1500 to that other 100 1500 + 100 = 1600 A good estimate for 50 x 31 3/4 would be 1600, not 800. Therefore, No. Brenda's estimate of 800 is NOT a good estimate.
its like numbers pretend each variable is a number, it wouldn't change anything. I looked at P. Obviously the x-axis is going to be zero and the y-axis will be b